. >>> a stunning assassination in afghanistan. the half-brother of karzai was shot to death at his home by a close associate. the taliban is claiming responsibility for the attack on karzai. petraeus, commander and nato forces promised international help in finding those responsible. karzai was the controversial figure who denied allegations of corruption and beinglinged to drugs. karzai's death leaves a power vacuum in the south as the government begins peace talks with insurgents. >> we suffered from the same kind of pain and our hope is that god willing, there is an end to the pain and suffering of our afghan people. >> car jay survived several previous assassination at the same times. -- assassination attempts. >>> congressman ron paul won't run for congress again. the 75-year-old has gotten more support for his presidential run than ever and won't try to run for two offices at once. mayor john huntsman is in south carolina telling primary voter when is he was governor of utah, the state ranked first in job creation and compar